it's dicotyledon.
--> No! Pine is a gymnosperm ("naked seed"; no ovary), and thus the terms dicotyledon (dicot or eudicot) and monocotyledon (monocot) do not apply to conifers like Pine. The...
A cotyledon is a seed leaf. A dicotyledon is a plant that has two leaves directly after it germinates. If you peel/open a dicotyledon seed, it will naturally fall into two halves which would become...